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Published December 02, 2012, 04:27 PM

UND studies use of carbon dioxide for oil recovery

GRAND FORKS, N.D. (AP) — University of North Dakota researchers are studying whether injecting carbon dioxide into oil formations can enhance the recovery of oil in the state.

GRAND FORKS, N.D. (AP) — University of North Dakota researchers are studying whether injecting carbon dioxide into oil formations can enhance the recovery of oil in the state.

John Harju, associate director for research at UND's Energy and Environmental Research Center, says if the use of carbon dioxide means just 1 percent of additional oil can be recovered, that would amount to 1.7 billion barrels of oil from North Dakota's oil fields.

Harju tells Forum Communications an additional 1 percent recovery would be worth $150 billion, assuming an average oil price of $88 a barrel.

Current estimates show that producers will be able to recover between 2 percent and 10 percent of the oil from the Bakken formation using horizontal drilling and hydraulic fracturing, which uses water, sand and chemicals to help extract oil.

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